Side by side

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's WatchvsStudio Underd0g The Mimosa

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

At a glance

14 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
The Mimosa39.5mm
Power Reserve
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
The Mimosa40h
Water Resistance
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
The Mimosa
MSRP
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800
The Mimosa$1,000

Full specifications

Case

5 specs
Category
Diver
Casual
Thickness
12.3mm
Lug-to-Lug
47.2mm
Lug Width
20mm
Water Resistance
200m

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Standard
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
6L37
Type
Automatic
Manual
Power Reserve
45h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,800
$1,000

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1965 Heritage Diver's Watch is praised for its faithful re-creation of the 62MAS design, with reviewers noting improved wearability due to smaller case sizes (38mm to 40mm) and updated bracelets. Specific models feature a stainless steel case with super-hard coating, ceramic bezel, and a tool-free extension system on the bracelet. Accuracy figures vary, with one model rated at -5/+10 seconds per day and another at -10/+15 seconds per day, powered by movements like the Caliber 8L45 or 6L37 offering 72-hour or 46-hour power reserves respectively. Some reviewers point out drawbacks such as an unsigned winding crown, a lack of tool-free micro-adjust on the clasp for certain models, and a secondary GMT function on one variant. The price point, ranging from $2,800 to $3,600, is considered high by some, especially when compared to other Seiko or Grand Seiko offerings.

Studio Underd0g The Mimosa

Studio Underd0g The Mimosa is praised for its playful, layered dial design evoking a cocktail, its comfortable 38mm cushion case, and the tactile experience of its manual-wind Sellita SW210-1 movement. Reviewers appreciate the fun collaboration and the easter egg of the textured dial, finding it fitting for the watch's playful nature, and one owner notes its 10atm water resistance rating was proven by surviving a swim. Owners and reviewers consider its $1,300 price steep for the Sellita SW210-1 movement, with some wishing for more competitive pricing or questioning if it offers the best value. Overall, owners and reviewers rate Studio Underd0g The Mimosa highly for its unique, playful dial design and comfortable wearability.

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